When Sveppi's best friend Villi is kidnapped by the bad guys. Sveppi takes it upon himself with his buddy Goi to rescue him and an incredible adventure unfolds.

Sveppi and Villi go on summer holiday to an old country hotel. Soon they realize a dark and beautiful secret concerning a ghost, a secret spell and a grumpy hotel manager.

When Sveppi gets a old wardrobe made by his great grandfather, magical things start happening, Sveppi, Villi and Gói go deep into the wardrobes history while a dangerous criminal is after them.

Friends Sveppi and Villi discover that an old nemesis has built a doomsday machine that can trigger earthquakes and volcanic eruptions. With the help of their friend Gói, they manage to sneak into his evil lair. But this is only half the battle - to save the country they'll have to destroy the machine.